Maintenance - Aprilaire 1872 Installation And Operating Manual

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MAINTENANCE

CLEAN OR REPLACE THE AIR FILTER
After initial installation the air filter should be checked and cleaned every 6 months� The
CLEAN FILTER service reminder will display on the on-board control screen every 6 months�
To clear the service message, press the
Filter Cleaning Procedure
1� Turn the ON/OFF switch OFF�
2� Remove the filter access door from either side of the dehumidifier�
3� Slide the filter out of the dehumidifier�
4� Flush the filter with warm water and a mild detergent solution�
5� Shake off the excess water from the filter�
6� Replace the filter, making sure the filter is secured in both the top and bottom filter rails�
7� Replace the filter access door�
8� Turn the ON/OFF switch ON�
9� Press the
and
buttons simultaneously for 3 seconds to clear the service message�
CHECK THE DRAIN
The drain should be checked annually to ensure there are no blockages or air lock in the drain system� If the unit is not draining properly, have it
checked by a qualified service professional�
and
buttons simultaneously for 3 seconds�
Do not use spray solvents or cleaners on or near the inlet side of the dehumidifier.
If desired, apply cleaner to a cloth and use to clean the cabinet.
CAUTION
90-1854
5

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